Ian Liberty

Rating History

Team Race Rating

Rating Rank vs fleet rating Record
2.35 (fleet 3.24) unranked (fewer than 30 matches as skipper, or not active) +0.00 ± 0.18
about what the fleet rating predicts
as skipper 62–33 (65%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2014428–13—
Spring 2013434–20—
2.62.72.82.933.13.23.3Spring 2013Spring 2014John Jackson Memorial Team Race (2013-03-09): rating 3.07, fleet rating alone 3.04, offset +0.03; record 4-6 in this boatAdmiral Moore Team Race (2013-03-23): rating 3.04, fleet rating alone 3.05, offset -0.00; record 11-7 in this boatSouthern New England Team Race (2013-03-30): rating 3.14, fleet rating alone 3.15, offset -0.01; record 5-6 in this boatBob Bavier Team Race (2014-03-01): rating 2.90, fleet rating alone 2.92, offset -0.02; record 5-3 in this boatJohn Jackson Team Race Regatta (2014-03-08): rating 2.79, fleet rating alone 2.79, offset +0.00; record 14-3 in this boatGraham Hall Team Race (2014-03-15): rating 2.84, fleet rating alone 2.81, offset +0.02; record 3-0 in this boat33rd Lynne Marchiando Regatta (2014-03-29): rating 2.66, fleet rating alone 2.67, offset -0.01; record 6-7 in this boatTeam race rating

Rating before each regatta driven (solid; dots green when the boat won 60% or more of its matches there, red under 40%) and what the fleet rating alone would give (dashed). The gap is the team race offset as it stood at the time. Hover a dot for the regatta; click to open it.

Team race surprisal: regatta by regatta

Over 4 graded regattas (41 matches) the record is 28–13 against 25.2 wins the pre-event forecasts expected (+2.8). 1 regatta clearly above the rating (P ≤ 20%), 1 clearly below (P ≥ 80%); 2 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2014-03-2933rd Lynne Marchiando Regattaskipper3.063.246–75.5+0.180.150%
2014-03-15Graham Hall Team Raceskipper3.376.373–02.9≥+3.000.289%
2014-03-08John Jackson Team Race Regattaskipper3.194.0914–311.9+0.901.316%
2014-03-01Bob Bavier Team Raceskipper3.383.475–34.9+0.080.063%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2014 Team page Season
33rd Lynne Marchiando Regatta Skipper TR 22 54% —
John Jackson Team Race Regatta Skipper TR 17 82% —
Graham Hall Team Race Skipper TR 15 73% —
79th Boston Dinghy Cup Skipper A 14 9.4 3.25
Bob Bavier Team Race Skipper TR 18 50% —
Fall 2013 Team page Season
Moody Skipper A 10 9.6 3.24
39th Harry H. Anderson Jr Trophy Skipper A 13 10.0 2.97
Spring 2013 Team page Season
Truxtun Umsted Skipper B 3 8.7 2.76
Southern New England Team Race Skipper TR 11 46% —
John Jackson Memorial Team Race Skipper TR 10 40% —
Gill Coed Championships Skipper B 1 16.0 —
Georgetown Team Race Skipper TR 15 93% —
Admiral Moore Team Race Skipper TR 18 61% —
Fall 2012 Team page Season
Top 9 Regatta Skipper A 14 4.6 2.77
Harry Anderson Trophy Skipper B 8 6.8 3.25
Danmark Trophy Skipper B 9 8.1 3.53
Spring 2012 Team page Season
Thompson Trophy Skipper B 18 9.2 2.94
Fall 2011 Team page Season
Sherman Hoyt Trophy Skipper B 5 6.6 3.02
The Hatch Brown Trophy Skipper C 16 7.7 2.94
Harry Anderson Skipper B 10 8.1 3.44
Captain Hurst Bowl Skipper A 14 16.1 2.06
Spring 2011 Team page Season
Old Guard/ Owen Trophy Skipper B 16 6.4 2.73
Charleston Spring Intersectional Skipper A 10 5.9 2.84
Fall 2010 Team page Season
Top Nine Invitational Skipper A 14 9.1 2.31
South #1/ Senators Cup Skipper A 4 3.5 3.23
Riley Cup Skipper A 9 2.7 2.95
Maisa Central Qualifier Skipper B 14 4.5 2.21
Kings Point Dinghy Open Skipper B 14 4.7 2.84
HWS Intersectional Skipper B 14 6.1 2.76

From the notes

Short write-ups of what the ratings and results show, with the numbers and how they were computed.

All notes →